EP0130455A2 - Verfahren zum Nachweis von Luft in einem mit Flüssigkeit gefüllten Gefäss und Apparat zur Ausführung desselben - Google Patents

Verfahren zum Nachweis von Luft in einem mit Flüssigkeit gefüllten Gefäss und Apparat zur Ausführung desselben Download PDF

Info

Publication number
EP0130455A2
EP0130455A2 EP84106980A EP84106980A EP0130455A2 EP 0130455 A2 EP0130455 A2 EP 0130455A2 EP 84106980 A EP84106980 A EP 84106980A EP 84106980 A EP84106980 A EP 84106980A EP 0130455 A2 EP0130455 A2 EP 0130455A2
Authority
EP
European Patent Office
Prior art keywords
receptacle
air
detecting
liquid
resident
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84106980A
Other languages
English (en)
French (fr)
Other versions
EP0130455A3 (en
EP0130455B1 (de
Inventor
Ryosaku Tagaya
Osamu Kojima
Yasuo Sonobe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisai Co Ltd
Original Assignee
Eisai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eisai Co Ltd filed Critical Eisai Co Ltd
Priority to AT84106980T priority Critical patent/ATE43015T1/de
Publication of EP0130455A2 publication Critical patent/EP0130455A2/de
Publication of EP0130455A3 publication Critical patent/EP0130455A3/en
Application granted granted Critical
Publication of EP0130455B1 publication Critical patent/EP0130455B1/de
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/9018—Dirt detection in containers
    • G01N21/9027—Dirt detection in containers in containers after filling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0078—Testing material properties on manufactured objects
    • G01N33/0081—Containers; Packages; Bottles

Definitions

  • This invention relates to a process for easily detecting an air resident in a liquid-charged transparent receptacle, especially the air that floats above the liquid contained in the receptacle and is difficult to detect it by the eye from the outside because the view of air is interrupted by an opaque seal member attached to the mouth portion of the receptacle.
  • a receptacle which comprises charging the transparent receptacle 1 shown in FIG. 1A and FIG. 1B with an anesthetic or the like, plugging its bottom portion with a rubber plug 2 which is also usable as pistons, covering a mouth portion with a rubber film 3, and sealing it with an opaque seal member 4 such as an aluminum foil.
  • a rear end of an injection needle (not shown) is injected in the rubber film 3, the rubber plug 2 is used as a piston, and consequently the receptacle 1 itself is used in the same manner as the usual injector.
  • the inventor of this invention has carried out various studies as to whether there is a process which is capable of achieving the aforesaid object or not to find that when the amount of the air resident at the top portion is relatively much, there is formed an air cavity 5', which has a paraboloid of revolution and a lower end extending lower than the seal member as shown in FIG. 2A, by erecting the receptacle 1 and revolving it at high speed; while when the amount of said air is relatively small, there is formed a bubble-shaped air cavity 5", which subsides below the seal member 4 as shown in FIG. 2B, by stopping suddenly the receptacle 1 under high speed revolution, whereby these air cavities 5' and 5" can be detected from the outside of the receptacle.
  • the above mentioned object can be achieved because the resident air can be indirectly detected from the detection of such air cavities by an optical detecting member.
  • an air detecting apparatus which comprises a receptacle holding member which holds a liquid receptacle as-erected; a supporting member which supports this receptacle holding member rotatably; a driving member which rotates said receptacle holding member at a high speed; and an optical detecting member including a projector and a ray receiver which are disposed adjacent to and below a receptacle seal member and have optical axes intersecting at the same level forming a fixed angle in the receptacle.
  • the "high speed rotation” referred to herein denotes about 5000 - 6000 r.p.m. higher than 3000 r.p.m.
  • the liquid receptacle rotating at high speed forms the air cavity having a paraboloid of revolution during rotation or forms the bubble-shaped air cavity after the rotation is stopped.
  • the lower end of the air cavity is located lower than the seal member and in the latter the air cavity as a whole is located lower than the seal member.
  • the light projected on said air cavities is reflected from the air cavity walls and is received by the ray receiver.
  • the receptacle holding member includes a rotary pad which presses the top portion of the receptacle downward, a rotary disc which is disposed under said rotary pad and supports the bottom of the receptacle and a friction roller which is disposed co-axially with said rotary pad and is connected with the rotary disc, while the driving member includes a driving motor and a belt which is moved by said driving motor and friction contacts with said friction roller.
  • FIG. 3 schematically illustrates an apparatus for detecting inferior goods which comprises arranging an air detecting apparatus 11 according to this invention together with different first and second apparatuses 31 and 32 for detecting foreign goods.
  • an apparatus for detecting inferior goods which comprises arranging an air detecting apparatus 11 according to this invention together with different first and second apparatuses 31 and 32 for detecting foreign goods.
  • reference numeral 33 denotes a supply hopper, and there are provided a first turntable 34 arranged to border on its supply port and rotate continuously at a fixed speed, a second turntable 35 disposed adjacent to this table 34 and designed to rotate simultaneously therewith, and a third turntable 36 disposed adjacent to this table 35 and arranged to rotate simultaneously therewith.
  • first detecting apparatus 31 and a second detecting apparatus 32 so as to make a reciprocating motion in the circular direction shown by the arrow mark 37.
  • first driving apparatus 38 and a second driving apparatus 39 respectively.
  • These driving apparatuses 38 and 39 are same in construction and each includes a driving pulley 41 rotated by a motor 40 which is illustrated in Fig. 6 alone, plural driven pulleys 42 and a belt 43 hanged around these pulleys.
  • Reference numeral 44 denotes a screw conveyor for discharge and 45 denotes a conveyor for discharge respectively. Between both conveyors, there is provided a selecting member 46 oscillating vertically in Fig. 3.
  • the receptacle 1 is transferred from the hopper successively through turntables 34, 35 and 36, and is discharged on a conveyor 45 via a conveyor 44 from the turntable 36.
  • the presence of foreign matters contained in the receptacle is detected by using the first detecting apparatus 31 and the second detecting apparatus 32 according to the method as disclosed in said reference, and in case foreign matters are detected, a signal of detection is given to the selecting member 46.
  • the selecting member 46 oscillates downward in FIG. 3 so as to discharge said receptacle 1 containing foreign matters on the conveyor 45 as an inferior good I".
  • the selecting member oscillates upward so as to discharge said receptacle 1 as a superior good 1'.
  • the receptacle 1 When aforesaid detecting test is carried out, the receptacle 1 is rotated at high speed by the action of belts 43 of the first driving apparatus 38 and the second driving apparatus 39.
  • the mechanism therefore is shown in FIG. 4 together with the air detecting apparatus 11 according to this invention. Therefore, said mechanism will be explained when the detecting apparatus 11 is explained hereinafter.
  • Said detecting apparatus 11 will be detailed, in particular explained with reference to FIG. 4 to FIG. 6.
  • FIG. 4 shows the mechanism for rotating the receptacle 1 on the turntable 35 at high speed, wherein a multiplicity of rotary discs 12 are disposed, adjacent to the outer periphery of the turntable 35, at regular>,intervals in the circular direction, its rotary shaft 13 penetrates the table 35, is thereby supported rotatably, extends downward and is fixed at its lower end with the friction roller 14.
  • This roller 14 is friction connected with the belt 43.
  • a rotary pad 15 which thrusts the top of the receptacle 1 downward under pressure, is attached to the table 35 through a supporting bar 16.
  • FIG. 5 and FIG. 6 denote the detecting apparatus 11 attached to the second detecting apparatus 32 through a bracket 17.
  • This detecting apparatus 11 comprises a projector 18 and a ray receiver 19 which are arranged to locate below and adjacent to the seal member 4 of the receptacle 1, be at the same level and further so that when a ray projected from the projector 18 hits on the peripheral surface of the air cavity 5' or 5" and reflects therefrom, the reflected light may be received in the ray receiver 19.
  • Reference numeral 20 denotes an electrical capacitance type proximity switch. This switch,20 is designed to detect the case where the receptacle 1 is empty.
  • the receptacle 1 turning on the turntable 35 is turned at a high speed of 5,000 - 6,000 r.p.m. by means of the second driving apparatus 39.
  • the projected ray is not reflected and passes through and consequently the ray receiver 19 does not receive the reflected ray
  • the air is resident in the receptacle 1 and its amount is relatively much, there is formed an air cavity 5' as shown in FIG.
  • a ray projected as shown with an arrow mark in FIG. 5 is reflected by the air cavity 5', and the reflected ray is received by the ray receiver 19, whereby the presence of relatively much resident air can be detected.
  • the detecting apparatus 11 is designed to send its detection signal to a selecting member 46 only in the case of (2), it becomes possible to select only the receptacles 1 under the conditions as shown in FIG. 2A as inferior goods and carry them on the conveyor for discharge.
  • the air detecting apparatus 11 is placed side by side with the second detecting apparatus 32, but should not limited thereto, that is may be placed side by side with the first detecting apparatus 31. And, it is needless to say that said detecting apparatus 11 may be used singly entirely having no connection with these detecting apparatuses.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Examining Or Testing Airtightness (AREA)
EP84106980A 1983-06-24 1984-06-19 Verfahren zum Nachweis von Luft in einem mit Flüssigkeit gefüllten Gefäss und Apparat zur Ausführung desselben Expired EP0130455B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84106980T ATE43015T1 (de) 1983-06-24 1984-06-19 Verfahren zum nachweis von luft in einem mit fluessigkeit gefuellten gefaess und apparat zur ausfuehrung desselben.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58113823A JPS6013625A (ja) 1983-06-24 1983-06-24 液体充填容器の充填不良検出方法及び装置
JP113823/83 1983-06-24

Publications (3)

Publication Number Publication Date
EP0130455A2 true EP0130455A2 (de) 1985-01-09
EP0130455A3 EP0130455A3 (en) 1985-07-10
EP0130455B1 EP0130455B1 (de) 1989-05-10

Family

ID=14621936

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84106980A Expired EP0130455B1 (de) 1983-06-24 1984-06-19 Verfahren zum Nachweis von Luft in einem mit Flüssigkeit gefüllten Gefäss und Apparat zur Ausführung desselben

Country Status (5)

Country Link
US (1) US4615622A (de)
EP (1) EP0130455B1 (de)
JP (1) JPS6013625A (de)
AT (1) ATE43015T1 (de)
DE (1) DE3478144D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672902A1 (de) * 1994-03-15 1995-09-20 MBM Kontroll-Systeme GmbH Verfahren und Vorrichtungen zur Feststellung von Verunreinigungen in Flüssigkeiten

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8036444B2 (en) * 2005-10-15 2011-10-11 Innoscan K/S Method and system for irradiating and inspecting liquid-carrying containers

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496369A (en) * 1967-03-15 1970-02-17 Hitachi Ltd Radiation sensitive liquid sample inspecting apparatus
GB2001751A (en) * 1977-07-29 1979-02-07 Eisai Co Ltd Apparatus for detecting foreign bodies in liquids
US4274745A (en) * 1977-05-12 1981-06-23 Eisai Co., Ltd. Method and apparatus for detecting foreign matters in liquids
EP0087484A1 (de) * 1982-02-27 1983-09-07 Eisai Co., Ltd. Verfahren zur Detektion von Fremdkörpern in einer in einem durchsichtigen Gefäss enthaltenen Flüssigkeit und dazugehörende Einrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219798B2 (de) * 1971-12-22 1977-05-30
US3900266A (en) * 1972-10-31 1975-08-19 Eisai Co Ltd Method and apparatus for detecting solid substances contained in liquid

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496369A (en) * 1967-03-15 1970-02-17 Hitachi Ltd Radiation sensitive liquid sample inspecting apparatus
US4274745A (en) * 1977-05-12 1981-06-23 Eisai Co., Ltd. Method and apparatus for detecting foreign matters in liquids
GB2001751A (en) * 1977-07-29 1979-02-07 Eisai Co Ltd Apparatus for detecting foreign bodies in liquids
EP0087484A1 (de) * 1982-02-27 1983-09-07 Eisai Co., Ltd. Verfahren zur Detektion von Fremdkörpern in einer in einem durchsichtigen Gefäss enthaltenen Flüssigkeit und dazugehörende Einrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672902A1 (de) * 1994-03-15 1995-09-20 MBM Kontroll-Systeme GmbH Verfahren und Vorrichtungen zur Feststellung von Verunreinigungen in Flüssigkeiten
DE4408699A1 (de) * 1994-03-15 1995-09-21 Mbm Kontroll Systeme Gmbh Prüfverfahren zur Feststellung von Verunreinigungen in Flüssigkeiten und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
JPS6013625A (ja) 1985-01-24
DE3478144D1 (en) 1989-06-15
EP0130455A3 (en) 1985-07-10
US4615622A (en) 1986-10-07
ATE43015T1 (de) 1989-05-15
JPS6330211B2 (de) 1988-06-16
EP0130455B1 (de) 1989-05-10

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